| Digest Nr | Subject and Author |
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| 2019.03.29.03 | Silicone Sheet for Valve Facings, from Spencer Chase |
| 2019.03.27.04 | Silicone Sheet for Valve Facings, from Nate Otto |
| 2018.02.15.03 | Material For Valve Facings, from John A. Tuttle |
| 2018.01.13.04 | Punching Valve Facings, from John A. Tuttle |
| 2017.11.02.06 | Valve Facings of Silicone Rubber, from Thomas Binnall |
| 2017.10.31.01 | Valve Facings of DuPont Corfam Artificial Leather, from Douglas Heckrotte |
| 2017.10.30.05 | Standard Pneumatic Nightmare: Valve Facings, from Skip Downing |
| 2016.01.27.05 | Seek Replacements for Sheepskin Valve Facings, from Luke Myers |
| 2015.02.26.05 | Neoprene Valve Facings in Post-War Aeolians, from Bill Maguire |
| 2014.12.27.02 | Replacing Valve Facings, from Ben Gottfried |
| 2014.12.23.04 | Replacing Valve Facings, from David Dewey |
| 2009.12.10.06 | Leather Valve Facings for Simplex Player Action, from Jeffrey R. Wood |
| 2006.01.22.08 | Valve Facings of Packing Leather, from Joel Cluskey |
| 2001.06.30.08 | Gluing Leather Valve Facings, from Paul Manganaro |
| 2001.06.30.07 | Gluing Leather Valve Facings, from Don Teach |
| 2001.06.29.03 | Patent Leather Valve Facings, from Rob Buckingham |
| 2001.04.18.03 | Valve Facings From PPCo, from Roger Waring |
| 2001.04.17.04 | Vacuum Valve Facings From PPCo, from John Rutoskey |
| 2001.04.15.06 | Patent Leather Valve Facings from PPCo, from Al Pebworth |
| 2001.04.14.03 | Vacuum Valve Facings from PPCo, from Roger Waring |
| 2000.04.01.14 | Orchestrelle Valve Facings, from Martin Anderson |
| 1999.03.25.10 | Aeolian Valve Facings from PPCo., from Stephen Kent Goodman |
| 1997.12.12.09 | Neoprene Valve Facings Collect Dust, from Richard Vance |
| 1997.12.11.09 | Neoprene Valve Facings Collect Dust, from John A. Tuttle |
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